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error handling cleanup.

tags/2.0.0-beta
Qiang Xue 12 years ago
parent
5b357d2eed
commit
6fcac32410
8 changed files with 231 additions and 186 deletions
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  1. 5
      framework/YiiBase.php
  2. 193
      framework/base/Application.php
  3. 63
      framework/base/ErrorHandler.php
  4. 8
      framework/console/Application.php
  5. 2
      framework/console/Controller.php
  6. 4
      framework/console/controllers/HelpController.php
  7. 123
      framework/console/controllers/MigrateController.php
  8. 1
      tests/unit/bootstrap.php

5
framework/YiiBase.php
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@ -29,6 +29,11 @@ defined('YII_TRACE_LEVEL') or define('YII_TRACE_LEVEL', 0);
* This constant defines the framework installation directory.
*/
defined('YII_PATH') or define('YII_PATH', __DIR__);
/**
* This constant defines whether error handling should be enabled. Defaults to true.
*/
defined('YII_ENABLE_ERROR_HANDLER') or define('YII_ENABLE_ERROR_HANDLER', true);
/**
* YiiBase is the core helper class for the Yii framework.

193
framework/base/Application.php
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@ -11,7 +11,6 @@ namespace yii\base;
use Yii;
use yii\util\FileHelper;
use yii\base\InvalidCallException;
/**
* Application is the base class for all application classes.
@ -76,11 +75,9 @@ class Application extends Module
*/
public $sourceLanguage = 'en_us';
/**
* @var array IDs of application components that need to be loaded when the application starts.
* The default value is `array('errorHandler')`, which loads the [[errorHandler]] component
* to ensure errors and exceptions can be handled nicely.
* @var array IDs of the components that need to be loaded when the application starts.
*/
public $preload = array('errorHandler');
public $preload = array();
/**
* @var Controller the currently active controller instance
*/
@ -110,8 +107,15 @@ class Application extends Module
Yii::$application = $this;
$this->id = $id;
$this->setBasePath($basePath);
if (YII_ENABLE_ERROR_HANDLER) {
set_exception_handler(array($this, 'handleException'));
set_error_handler(array($this, 'handleError'), error_reporting());
}
$this->registerDefaultAliases();
$this->registerCoreComponents();
Component::__construct($config);
}
@ -253,61 +257,61 @@ class Application extends Module
date_default_timezone_set($value);
}
// /**
// * Returns the security manager component.
// * @return SecurityManager the security manager application component.
// */
// public function getSecurityManager()
// {
// return $this->getComponent('securityManager');
// }
//
// /**
// * Returns the locale instance.
// * @param string $localeID the locale ID (e.g. en_US). If null, the {@link getLanguage application language ID} will be used.
// * @return CLocale the locale instance
// */
// public function getLocale($localeID = null)
// {
// return CLocale::getInstance($localeID === null ? $this->getLanguage() : $localeID);
// }
//
// /**
// * @return CNumberFormatter the locale-dependent number formatter.
// * The current {@link getLocale application locale} will be used.
// */
// public function getNumberFormatter()
// {
// return $this->getLocale()->getNumberFormatter();
// }
//
// /**
// * Returns the locale-dependent date formatter.
// * @return CDateFormatter the locale-dependent date formatter.
// * The current {@link getLocale application locale} will be used.
// */
// public function getDateFormatter()
// {
// return $this->getLocale()->getDateFormatter();
// }
//
// /**
// * Returns the core message translations component.
// * @return \yii\i18n\MessageSource the core message translations
// */
// public function getCoreMessages()
// {
// return $this->getComponent('coreMessages');
// }
//
// /**
// * Returns the application message translations component.
// * @return \yii\i18n\MessageSource the application message translations
// */
// public function getMessages()
// {
// return $this->getComponent('messages');
// }
// /**
// * Returns the security manager component.
// * @return SecurityManager the security manager application component.
// */
// public function getSecurityManager()
// {
// return $this->getComponent('securityManager');
// }
//
// /**
// * Returns the locale instance.
// * @param string $localeID the locale ID (e.g. en_US). If null, the {@link getLanguage application language ID} will be used.
// * @return CLocale the locale instance
// */
// public function getLocale($localeID = null)
// {
// return CLocale::getInstance($localeID === null ? $this->getLanguage() : $localeID);
// }
//
// /**
// * @return CNumberFormatter the locale-dependent number formatter.
// * The current {@link getLocale application locale} will be used.
// */
// public function getNumberFormatter()
// {
// return $this->getLocale()->getNumberFormatter();
// }
//
// /**
// * Returns the locale-dependent date formatter.
// * @return CDateFormatter the locale-dependent date formatter.
// * The current {@link getLocale application locale} will be used.
// */
// public function getDateFormatter()
// {
// return $this->getLocale()->getDateFormatter();
// }
//
// /**
// * Returns the core message translations component.
// * @return \yii\i18n\MessageSource the core message translations
// */
// public function getCoreMessages()
// {
// return $this->getComponent('coreMessages');
// }
//
// /**
// * Returns the application message translations component.
// * @return \yii\i18n\MessageSource the application message translations
// */
// public function getMessages()
// {
// return $this->getComponent('messages');
// }
/**
* Returns the database connection component.
@ -390,4 +394,73 @@ class Application extends Module
),
));
}
/**
* Handles PHP execution errors such as warnings, notices.
*
* This method is used as a PHP error handler. It will simply raise an `ErrorException`.
*
* @param integer $code the level of the error raised
* @param string $message the error message
* @param string $file the filename that the error was raised in
* @param integer $line the line number the error was raised at
* @throws \ErrorException the error exception
*/
public function handleError($code, $message, $file, $line)
{
if (error_reporting() !== 0) {
throw new \ErrorException($message, 0, $code, $file, $line);
}
}
/**
* Handles uncaught PHP exceptions.
*
* This method is implemented as a PHP exception handler. It requires
* that constant YII_ENABLE_ERROR_HANDLER be defined true.
*
* @param \Exception $exception exception that is not caught
*/
public function handleException($exception)
{
// disable error capturing to avoid recursive errors while handling exceptions
restore_error_handler();
restore_exception_handler();
try {
$this->logException($exception);
if (($handler = $this->getErrorHandler()) !== null) {
$handler->handle($exception);
} else {
$message = YII_DEBUG ? (string)$exception : 'Error: ' . $exception->getMessage() . "\n";
echo PHP_SAPI === 'cli' ? $message : '<pre>' . $message . '</pre>';
}
$this->end(1);
} catch(\Exception $e) {
// exception could be thrown in end() or ErrorHandler::handle()
$msg = (string)$e;
$msg .= "\nPrevious exception:\n";
$msg .= (string)$exception;
$msg .= "\n\$_SERVER = " . var_export($_SERVER, true);
error_log($msg);
exit(1);
}
}
// todo: to be polished
protected function logException($exception)
{
$category = get_class($exception);
if ($exception instanceof HttpException) {
/** @var $exception HttpException */
$category .= '\\' . $exception->statusCode;
} elseif ($exception instanceof \ErrorException) {
/** @var $exception \ErrorException */
$category .= '\\' . $exception->getSeverity();
}
Yii::error((string)$exception, $category);
}
}

63
framework/base/ErrorHandler.php
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@ -54,66 +54,18 @@ class ErrorHandler extends Component
public $exception;
public function init()
{
set_exception_handler(array($this, 'handleException'));
set_error_handler(array($this, 'handleError'), error_reporting());
}
/**
* Handles PHP execution errors such as warnings, notices.
*
* This method is used as a PHP error handler. It will simply raise an `ErrorException`.
*
* @param integer $code the level of the error raised
* @param string $message the error message
* @param string $file the filename that the error was raised in
* @param integer $line the line number the error was raised at
* @throws \ErrorException the error exception
*/
public function handleError($code, $message, $file, $line)
{
if(error_reporting()!==0) {
throw new \ErrorException($message, 0, $code, $file, $line);
}
}
/**
* @param \Exception $exception
*/
public function handleException($exception)
public function handle($exception)
{
// disable error capturing to avoid recursive errors while handling exceptions
restore_error_handler();
restore_exception_handler();
$this->exception = $exception;
$this->logException($exception);
if ($this->discardExistingOutput) {
$this->clearOutput();
}
try {
$this->render($exception);
} catch (\Exception $e) {
// use the most primitive way to display exception thrown in the error view
$this->renderAsText($e);
}
try {
\Yii::$application->end(1);
} catch (Exception $e2) {
// use the most primitive way to log error occurred in end()
$msg = get_class($e2) . ': ' . $e2->getMessage() . ' (' . $e2->getFile() . ':' . $e2->getLine() . ")\n";
$msg .= $e2->getTraceAsString() . "\n";
$msg .= "Previous error:\n";
$msg .= $e2->getTraceAsString() . "\n";
$msg .= '$_SERVER=' . var_export($_SERVER, true);
error_log($msg);
exit(1);
}
}
protected function render($exception)
@ -282,19 +234,6 @@ class ErrorHandler extends Component
return htmlspecialchars($text, ENT_QUOTES, \Yii::$application->charset);
}
public function logException($exception)
{
$category = get_class($exception);
if ($exception instanceof HttpException) {
/** @var $exception HttpException */
$category .= '\\' . $exception->statusCode;
} elseif ($exception instanceof \ErrorException) {
/** @var $exception \ErrorException */
$category .= '\\' . $exception->getSeverity();
}
\Yii::error((string)$exception, $category);
}
public function clearOutput()
{
// the following manual level counting is to deal with zlib.output_compression set to On

8
framework/console/Application.php
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@ -85,7 +85,6 @@ class Application extends \yii\base\Application
* Processes the request.
* The request is represented in terms of a controller route and action parameters.
* @return integer the exit status of the controller action (0 means normal, non-zero values mean abnormal)
* @throws Exception if the route cannot be resolved into a controller
*/
public function processRequest()
{
@ -99,7 +98,6 @@ class Application extends \yii\base\Application
}
}
/**
* Runs a controller action specified by a route.
* This method parses the specified route and creates the corresponding child module(s), controller and action
@ -108,7 +106,6 @@ class Application extends \yii\base\Application
* @param string $route the route that specifies the action.
* @param array $params the parameters to be passed to the action
* @return integer the status code returned by the action execution. 0 means normal, and other values mean abnormal.
* @throws InvalidRouteException if the requested route cannot be resolved into an action successfully
*/
public function runAction($route, $params = array())
{
@ -151,4 +148,9 @@ class Application extends \yii\base\Application
),
));
}
public function usageError($message)
{
}
}

2
framework/console/Controller.php
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@ -103,7 +103,7 @@ class Controller extends \yii\base\Controller
}
}
public function error($message)
public function usageError($message)
{
echo "\nError: $message\n";
Yii::$application->end(1);

4
framework/console/controllers/HelpController.php
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@ -55,7 +55,7 @@ class HelpController extends Controller
} else {
$result = \Yii::$application->createController($args[0]);
if ($result === false) {
echo "\nError: no help for unknown command \"{$args[0]}\".\n";
echo "Error: no help for unknown command \"{$args[0]}\".\n";
return 1;
}
@ -213,7 +213,7 @@ class HelpController extends Controller
{
$action = $controller->createAction($actionID);
if ($action === null) {
echo "Unknown sub-command: " . $controller->getUniqueId() . "/$actionID\n";
echo 'Error: no help for unknown sub-command "' . $controller->getUniqueId() . "/$actionID\".\n";
return 1;
}
if ($action instanceof InlineAction) {

123
framework/console/controllers/MigrateController.php
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@ -99,17 +99,19 @@ class MigrateController extends Controller
public function beforeAction($action)
{
if (parent::beforeAction($action)) {
$path = Yii::getAlias($this->migrationPath);
if ($path === false || !is_dir($path)) {
echo 'Error: the migration directory does not exist "' . $this->migrationPath . "\"\n";
return false;
}
$this->migrationPath = $path;
$yiiVersion = Yii::getVersion();
echo "\nYii Migration Tool v2.0 (based on Yii v{$yiiVersion})\n\n";
return parent::beforeAction($action);
$version = Yii::getVersion();
echo "\nYii Migration Tool v2.0 (based on Yii v{$version})\n\n";
return true;
} else {
return false;
}
}
/**
@ -129,15 +131,15 @@ class MigrateController extends Controller
}
$n = count($migrations);
if ($n === $total)
if ($n === $total) {
echo "Total $n new " . ($n === 1 ? 'migration' : 'migrations') . " to be applied:\n";
else
{
} else {
echo "Total $n out of $total new " . ($total === 1 ? 'migration' : 'migrations') . " to be applied:\n";
}
foreach ($migrations as $migration)
foreach ($migrations as $migration) {
echo " $migration\n";
}
echo "\n";
if ($this->confirm('Apply the above ' . ($n === 1 ? 'migration' : 'migrations') . "?")) {
@ -154,8 +156,9 @@ class MigrateController extends Controller
public function actionDown($args)
{
$step = isset($args[0]) ? (int)$args[0] : 1;
if ($step < 1)
if ($step < 1) {
die("Error: The step parameter must be greater than 0.\n");
}
if (($migrations = $this->getMigrationHistory($step)) === array()) {
echo "No migration has been done before.\n";
@ -165,8 +168,9 @@ class MigrateController extends Controller
$n = count($migrations);
echo "Total $n " . ($n === 1 ? 'migration' : 'migrations') . " to be reverted:\n";
foreach ($migrations as $migration)
foreach ($migrations as $migration) {
echo " $migration\n";
}
echo "\n";
if ($this->confirm('Revert the above ' . ($n === 1 ? 'migration' : 'migrations') . "?")) {
@ -183,8 +187,9 @@ class MigrateController extends Controller
public function actionRedo($args)
{
$step = isset($args[0]) ? (int)$args[0] : 1;
if ($step < 1)
if ($step < 1) {
die("Error: The step parameter must be greater than 0.\n");
}
if (($migrations = $this->getMigrationHistory($step)) === array()) {
echo "No migration has been done before.\n";
@ -194,8 +199,9 @@ class MigrateController extends Controller
$n = count($migrations);
echo "Total $n " . ($n === 1 ? 'migration' : 'migrations') . " to be redone:\n";
foreach ($migrations as $migration)
foreach ($migrations as $migration) {
echo " $migration\n";
}
echo "\n";
if ($this->confirm('Redo the above ' . ($n === 1 ? 'migration' : 'migrations') . "?")) {
@ -217,16 +223,18 @@ class MigrateController extends Controller
public function actionTo($args)
{
if (isset($args[0]))
if (isset($args[0])) {
$version = $args[0];
else
} else {
$this->usageError('Please specify which version to migrate to.');
}
$originalVersion = $version;
if (preg_match('/^m?(\d{6}_\d{6})(_.*?)?$/', $version, $matches))
if (preg_match('/^m?(\d{6}_\d{6})(_.*?)?$/', $version, $matches)) {
$version = 'm' . $matches[1];
else
} else {
die("Error: The version option must be either a timestamp (e.g. 101129_185401)\nor the full name of a migration (e.g. m101129_185401_create_user_table).\n");
}
// try migrate up
$migrations = $this->getNewMigrations();
@ -241,10 +249,11 @@ class MigrateController extends Controller
$migrations = array_keys($this->getMigrationHistory(-1));
foreach ($migrations as $i => $migration) {
if (strpos($migration, $version . '_') === 0) {
if ($i === 0)
if ($i === 0) {
echo "Already at '$originalVersion'. Nothing needs to be done.\n";
else
} else {
$this->actionDown(array($i));
}
return;
}
}
@ -254,15 +263,17 @@ class MigrateController extends Controller
public function actionMark($args)
{
if (isset($args[0]))
if (isset($args[0])) {
$version = $args[0];
else
} else {
$this->usageError('Please specify which version to mark to.');
}
$originalVersion = $version;
if (preg_match('/^m?(\d{6}_\d{6})(_.*?)?$/', $version, $matches))
if (preg_match('/^m?(\d{6}_\d{6})(_.*?)?$/', $version, $matches)) {
$version = 'm' . $matches[1];
else
} else {
die("Error: The version option must be either a timestamp (e.g. 101129_185401)\nor the full name of a migration (e.g. m101129_185401_create_user_table).\n");
}
$db = $this->getDb();
@ -288,13 +299,14 @@ class MigrateController extends Controller
$migrations = array_keys($this->getMigrationHistory(-1));
foreach ($migrations as $i => $migration) {
if (strpos($migration, $version . '_') === 0) {
if ($i === 0)
if ($i === 0) {
echo "Already at '$originalVersion'. Nothing needs to be done.\n";
else {
} else {
if ($this->confirm("Set migration history at $originalVersion?")) {
$command = $db->createCommand();
for ($j = 0; $j < $i; ++$j)
for ($j = 0; $j < $i; ++$j) {
$command->delete($this->migrationTable, $db->quoteColumnName('version') . '=:version', array(':version' => $migrations[$j]));
}
echo "The migration history is set at $originalVersion.\nNo actual migration was performed.\n";
}
}
@ -309,47 +321,53 @@ class MigrateController extends Controller
{
$limit = isset($args[0]) ? (int)$args[0] : -1;
$migrations = $this->getMigrationHistory($limit);
if ($migrations === array())
if ($migrations === array()) {
echo "No migration has been done before.\n";
else {
} else {
$n = count($migrations);
if ($limit > 0)
if ($limit > 0) {
echo "Showing the last $n applied " . ($n === 1 ? 'migration' : 'migrations') . ":\n";
else
} else {
echo "Total $n " . ($n === 1 ? 'migration has' : 'migrations have') . " been applied before:\n";
foreach ($migrations as $version => $time)
}
foreach ($migrations as $version => $time) {
echo " (" . date('Y-m-d H:i:s', $time) . ') ' . $version . "\n";
}
}
}
public function actionNew($args)
{
$limit = isset($args[0]) ? (int)$args[0] : -1;
$migrations = $this->getNewMigrations();
if ($migrations === array())
if ($migrations === array()) {
echo "No new migrations found. Your system is up-to-date.\n";
else {
} else {
$n = count($migrations);
if ($limit > 0 && $n > $limit) {
$migrations = array_slice($migrations, 0, $limit);
echo "Showing $limit out of $n new " . ($n === 1 ? 'migration' : 'migrations') . ":\n";
} else
} else {
echo "Found $n new " . ($n === 1 ? 'migration' : 'migrations') . ":\n";
}
foreach ($migrations as $migration)
foreach ($migrations as $migration) {
echo " " . $migration . "\n";
}
}
}
public function actionCreate($args)
{
if (isset($args[0]))
if (isset($args[0])) {
$name = $args[0];
else
} else {
$this->usageError('Please provide the name of the new migration.');
}
if (!preg_match('/^\w+$/', $name))
if (!preg_match('/^\w+$/', $name)) {
die("Error: The name of the migration must contain letters, digits and/or underscore characters only.\n");
}
$name = 'm' . gmdate('ymd_His') . '_' . $name;
$content = strtr($this->getTemplate(), array('{ClassName}' => $name));
@ -363,8 +381,9 @@ class MigrateController extends Controller
protected function migrateUp($class)
{
if ($class === self::BASE_MIGRATION)
if ($class === self::BASE_MIGRATION) {
return;
}
echo "*** applying $class\n";
$start = microtime(true);
@ -385,8 +404,9 @@ class MigrateController extends Controller
protected function migrateDown($class)
{
if ($class === self::BASE_MIGRATION)
if ($class === self::BASE_MIGRATION) {
return;
}
echo "*** reverting $class\n";
$start = microtime(true);
@ -419,13 +439,16 @@ class MigrateController extends Controller
protected function getDb()
{
if ($this->_db !== null)
if ($this->_db !== null) {
return $this->_db;
else if (($this->_db = Yii::$application->getComponent($this->connectionID)) instanceof CDbConnection)
} else {
if (($this->_db = Yii::$application->getComponent($this->connectionID)) instanceof CDbConnection) {
return $this->_db;
else
} else {
die("Error: CMigrationCommand.connectionID '{$this->connectionID}' is invalid. Please make sure it refers to the ID of a CDbConnection application component.\n");
}
}
}
protected function getMigrationHistory($limit)
{
@ -459,18 +482,21 @@ class MigrateController extends Controller
protected function getNewMigrations()
{
$applied = array();
foreach ($this->getMigrationHistory(-1) as $version => $time)
foreach ($this->getMigrationHistory(-1) as $version => $time) {
$applied[substr($version, 1, 13)] = true;
}
$migrations = array();
$handle = opendir($this->migrationPath);
while (($file = readdir($handle)) !== false) {
if ($file === '.' || $file === '..')
if ($file === '.' || $file === '..') {
continue;
}
$path = $this->migrationPath . DIRECTORY_SEPARATOR . $file;
if (preg_match('/^(m(\d{6}_\d{6})_.*?)\.php$/', $file, $matches) && is_file($path) && !isset($applied[$matches[2]]))
if (preg_match('/^(m(\d{6}_\d{6})_.*?)\.php$/', $file, $matches) && is_file($path) && !isset($applied[$matches[2]])) {
$migrations[] = $matches[1];
}
}
closedir($handle);
sort($migrations);
return $migrations;
@ -478,9 +504,9 @@ class MigrateController extends Controller
protected function getTemplate()
{
if ($this->templateFile !== null)
if ($this->templateFile !== null) {
return file_get_contents(Yii::getPathOfAlias($this->templateFile) . '.php');
else
} else {
return <<<EOD
<?php
@ -509,4 +535,5 @@ class {ClassName} extends CDbMigration
}
EOD;
}
}
}

1
tests/unit/bootstrap.php
Unescape View File

@ -1,6 +1,5 @@
<?php
define('YII_ENABLE_EXCEPTION_HANDLER', false);
define('YII_ENABLE_ERROR_HANDLER', false);
define('YII_DEBUG', true);
$_SERVER['SCRIPT_NAME'] = '/' . __DIR__;

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